/**
* Swap this subscription to a new plan in the billing gateway.
*
* @param int $quantity
*
* @return Subscription
*/
public function swap($quantity = null)
{
if (null === $quantity) {
$quantity = $this->model->billing_quantity;
}
if ($this->is_free || $this->canLocalTrial()) {
return $this->storeLocal(array('quantity' => $quantity));
}
if (!$this->model->billingIsActive()) {
if ($this->model->canceled()) {
return $this->resume($quantity);
} else {
return $this->create(array('quantity' => $quantity));
}
}
if (($customer = $this->model->customer()) && $this->card_token) {
$this->card = $customer->creditcards()->create($this->card_token)->id;
$this->card_token = null;
}
// If no specific trial end date has been set, the default behavior should be
// to maintain the current trial state, whether that is "active" or to run
// the swap out with the current trial period.
if (!$this->model->billing_trial_ends_at) {
$this->skipTrial();
}
$this->subscription->update(array('plan' => $this->plan, 'quantity' => $quantity, 'trial_ends_at' => $this->skip_trial ? date('Y-m-d H:i:s') : $this->model->billing_trial_ends_at, 'card_token' => $this->card_token, 'card' => $this->card));
$this->refresh();
return $this;
}
